Comparison of Pentax 1.4X-L and Sony SEL14TC 1.4X [S]ave
| Attribute |  Pentax 1.4X-L × |  Sony SEL14TC 1.4X × |
|---|---|---|
| Type | Teleconverter | Teleconverter |
| Name | Pentax 1.4X-L | Sony SEL14TC 1.4X |
| Weight (g) | 175 | 167 |
| Image Circle | 35mm | 35mm |
| Brand | Pentax | Sony |
| Magnification Ratio (x) | 1.4 | 1.4 |
| Lens Construction | 5 elements in 5 groups | 6 elements in 5 groups, including 1 aspherical element |
| Notes | Usable Lenses: SMC Pentax A-, F-, M-lenses | For Sony E-mount; Compatible Lenses: Sony SEL70200GM and SEL100400GM lenses. |
| Diameter (mm) | 65.5 | 62.4 |
| Focal Length Multiplier | 1.4X that of the master lens | 1.4X that of the master lens |
| Effective Reduction in Aperture | 1 f-stop | 1 f-stop |
| Length (mm) | 28.5 | 33.6 |
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